9439973513 has 8 divisors (see below), whose sum is σ = 9851381568. Its totient is φ = 9028646704.

The previous prime is 9439973507. The next prime is 9439973527. The reversal of 9439973513 is 3153799349.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9439973513 - 2¹⁴ = 9439957129 is a prime.

It is a super-2 number, since 2×9439973513² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9439973593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426506 + ... + 448092.

It is an arithmetic number, because the mean of its divisors is an integer number (1231422696).

Almost surely, 2^9439973513 is an apocalyptic number.

It is an amenable number.

9439973513 is a deficient number, since it is larger than the sum of its proper divisors (411408055).

9439973513 is a wasteful number, since it uses less digits than its factorization.

9439973513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40623.

The product of its digits is 2755620, while the sum is 53.

The square root of 9439973513 is about 97159.5261052667. The cubic root of 9439973513 is about 2113.4416338637.

The spelling of 9439973513 in words is "nine billion, four hundred thirty-nine million, nine hundred seventy-three thousand, five hundred thirteen".